Delta LTL2000S Specifications download pdf (Page 25)

DELTA LTL2000 Retrometer 19

Status

(Select with the <Menu> key)

LCD Display Explanation.

Status Display

Use éê to View

The results and status made with the Rl, Test, Calib. and the Zero

functions can be displayed in the LCD one at a time by use of the

<é><ê> keys.

The following messages are possible.

High Signal Warning

Signal Overflow

Signal = 12.4%

The measured signal strength in % of full scale. If the measured signal

is over a predefined limit then a warning will be displayed for one

second.

The measured signal level is shown

High Stray Light

Stray L = 0%

Stray L = 4,51%

No Stray L. Data

The measured stray light, representing the amount of light getting into

the LTL2000 from outside. A high Stray Light signal can indicate

problems with direct sunlight from a low sun on a very rough or

uneven surface. Special precautions must be taken to hinder the light

from shining directly on the measurement area. A warning is given in

the display if the signal gets critical.

Stray Light levels under a predefined limit are displayed as 0%

No Stay Light data after a ZERO measurement.

Low VBat Warning

VBat idle =10.6V

The battery voltage measured just before the lamp is lit. The reading

can be used to check the charge condition of the built-in 12 V Lead

Acid accumulator. A warning is given in the display if the voltage

drops below its predefined minimum limit.

Low VBat Warning

VBat load =11.2V

The battery voltage measured while the lamp is lit. The reading can be

used to check the charge condition of the built-in 12 V Lead Acid

accumulator. A warning is given in the display if the voltage under load

drops to a critical low value. If the battery voltage gets very low, the

LTL2000 will shut off during the measurement because the battery

voltage drops below its predefined minimum level when the lamp is lit.

This condition will be reported in the display on the next power Up.

Measurements will not be possible until the battery is recharged or an

external power source is applied.

Rl=146 mcd/m

/lx The latest Rl value measured.

Rl Log Full

Free Log: 96.1%

A warning is given if the Rl Log has run full. This means that it contains

approx. 1000 Rl readings, and that no new measurements can go into

the log. The log will have to be emptied and cleared before this

warning goes away. Also the measurement number in the printout will

not change until the log is cleared.

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Delta LTL2000S Specifications Page 25

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